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QueryableMethodTranslatingExpressionVisitor.TranslateDefaultIfEmpty Método

  • Referência

Definição

Namespace:
Microsoft.EntityFrameworkCore.Query
Assembly:
Microsoft.EntityFrameworkCore.dll
Pacote:
Microsoft.EntityFrameworkCore v3.0.0
Pacote:
Microsoft.EntityFrameworkCore v3.1.0
Pacote:
Microsoft.EntityFrameworkCore v5.0.0
Pacote:
Microsoft.EntityFrameworkCore v6.0.0
Pacote:
Microsoft.EntityFrameworkCore v7.0.0
Pacote:
Microsoft.EntityFrameworkCore v8.0.0

Converte o DefaultIfEmpty<TSource>(IQueryable<TSource>) método e outras sobrecargas sobre a fonte fornecida.

protected abstract Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression TranslateDefaultIfEmpty (Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression source, System.Linq.Expressions.Expression defaultValue);
protected abstract Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression? TranslateDefaultIfEmpty (Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression source, System.Linq.Expressions.Expression? defaultValue);
abstract member TranslateDefaultIfEmpty : Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression * System.Linq.Expressions.Expression -> Microsoft.EntityFrameworkCore.Query.ShapedQueryExpression
Protected MustOverride Function TranslateDefaultIfEmpty (source As ShapedQueryExpression, defaultValue As Expression) As ShapedQueryExpression

Parâmetros

source
ShapedQueryExpression

A consulta em forma na qual o operador é aplicado.

defaultValue
Expression

O valor padrão a ser usado.

Retornos

ShapedQueryExpression

A consulta em forma após a tradução.

Aplica-se a